Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: question: Nomeie a data para Mark Cavendish
 ###Tabelas: CREATE TABLE per_capita_gdp (per_capita_gdp_id AUTO_INCREMENT PRIMARY KEY, Economy VARCHAR, 1980 INT, Gap from Thailand as of 1980 (times) VARCHAR, 1985 INT, 1990 INT, 1995 INT, 2000 INT, 2005 INT, 2010 INT, 2012 INT, Gap from Thailand as of 2012 (times) VARCHAR, GDP as of 2012 after purchasing power parity (PPP) calculations (USD billions) VARCHAR, GDP per capita as of 2012 (PPP) INT) CREATE TABLE women's_doubles:_15_3_titles_5_runner-ups (women's_doubles:_15_3_titles_5_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents VARCHAR, Score VARCHAR) CREATE TABLE schedule (schedule_id AUTO_INCREMENT PRIMARY KEY, Stage VARCHAR, Route VARCHAR, Distance VARCHAR, Date VARCHAR, Winner VARCHAR) CREATE TABLE percussion_independent_a_class (percussion_independent_a_class_id AUTO_INCREMENT PRIMARY KEY, Ensemble VARCHAR, Gold Medals INT, Silver Medals INT, Bronze Medals INT, Total Medals INT) CREATE TABLE clicky_late_september_2009_to_present (clicky_late_september_2009_to_present_id AUTO_INCREMENT PRIMARY KEY, Period VARCHAR, Internet Explorer VARCHAR, Chrome VARCHAR, Firefox VARCHAR, Safari VARCHAR, Opera VARCHAR, Other Mozilla VARCHAR)  
SELECT Date FROM schedule WHERE Winner = mark cavendish